This informational bulletin advises the technician of the changes in the DFM and DFM system for the pickups.
Chevrolet technical service bulletin 21NA078 for 2021 Chevrolet Silverado 1500 and 2021 GMC Sierra 1500.
- Bulletin number
- 21NA078
- Component
- Electrical system: instrument panel: fuel gauge
- Summary
- This informational bulletin advises the technician of the changes in the DFM and DFM system for the pickups.
Owners of these vehicles have filed 189 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2021 2021
- GMC Sierra 1500 2021 2021
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